WeitaoWangoc <WeitaoWang-oc@xxxxxxxxxxx> wrote: > During realtek USB wireless NIC initialization, it's unexpected > disconnection will cause urb sumbmit fail. On the one hand, > _rtl_usb_cleanup_rx will be called to clean up rx stuff, especially for > rtl_wq. On the other hand, disconnection will cause rtl_usb_disconnect > and _rtl_usb_cleanup_rx to be called. So, rtl_wq will be flush/destroy > twice, which will cause non-canonical address 0xdead000000000122 access > and general protection fault. > > Fixed this issue by remove _rtl_usb_cleanup_rx when urb sumbmit fail. > > Signed-off-by: WeitaoWangoc <WeitaoWang-oc@xxxxxxxxxxx> > Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Patch applied to wireless-drivers-next.git, thanks. c521d7e0ff05 rtlwifi: Fix non-canonical address access issues -- https://patchwork.kernel.org/project/linux-wireless/patch/1603768580-2798-1-git-send-email-WeitaoWang-oc@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
